Hexagonally poled lithium niobate: A two-dimensional nonlinear photonic crystal

被引：412

作者：

Broderick, NGR ^{[1
]}

Ross, GW ^{[1
]}

Offerhaus, HL ^{[1
]}

Richardson, DJ ^{[1
]}

Hanna, DC ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.84.4345

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the fabrication of what we believe is the first example of a two-dimensional (2D) nonlinear photonic crystal [Berger, Phys. Rev. Lett. 81, 4136 (1998)], where the refractive index is constant but where the 2nd order nonlinear susceptibility is spatially periodic. Such crystals allow for efficient quasi-phase-matched and harmonic generation using multiple reciprocal lattice vectors. External 2nd harmonic conversion efficiencies >60% were measured with picosecond pulses. The fabrication technique is extremely versatile and should allow for the fabrication of a broad range of 2D crystals including quasicrystals.

引用

页码：4345 / 4348

页数：4

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